SUMMARY

• Over 7 years’ experience in routing, switching, firewall technologies, implementation and troubleshooting on complex network systems.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 3800,3600,2800,2600, and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Extensive knowledge of configuring and troubleshooting Layer 3 Routing protocols RIP, EIGRP, OSPF, EBGP, IBGP, ISIS and BGP and layer 2 protocols, VTP, STP, RSTP
• In depth knowledge of TCP/IP - IPv4, implementing of Subnetting, IP Addressing.
• Successful completion of network migration from Frame Relay to MPLS.
• Extensive experience in upgrade, backup, password recovery of Cisco IOS.
• Experience in implementing Network Security Policy and adding Firewall Rules.
• Switching tasks include VTP, ISL/802.1q, IPSec Tunneling, VLAN, Ether Channel, STP and RSTP
• Network Security including NAT/PAT, ACL, and ASA/PIX firewalls.
• Strong work experience on MPLS, VPN, and WLAN technologies.
• Develop complex global network architecture to meet changing business requirements as they occur
• Designing and developing cost effective network solutions for enterprise customers based on the business requirements.
• Worked in Designing, Implementing & Managing Net screen VPNs, Microsoft ISA Firewall, Cisco Routers/Switches
• Troubleshooting connectivity issues and application problems
• Worked on enterprise-wide security architecture design, development and Security Monitoring/Reporting, Policy Development, compliance, Vulnerability Assessment and Penetration Testing.
• Ability to Install, Operate, & Manage Large Networks & Security for the Co-located Servers, Production, Development, Staging & Lab Environments.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route-maps.
• Experience in installing and configuring DHCP Server.
• Experience in configuring site-to-site and remote access VPN solutions.
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

TECHNICAL SKILLS

Router Platforms: 1841, 2611, 2621, 2800, 3600, 3845, 3900, 7600 Series Platform

Switch Platforms: 6500,4500,3760, 3560, 3550, 2960, 2950 Series Platform, Nexus 1k, 2k,4k,5k

Routing Protocol: BGP,OSPF,RIP,EIGRP

Switching Protocol: STP, PVST, MST, DTP, VTP, VLAN, Ethernet Channel

Networking Skills: TCP/IP, DHCP, NAT, HSRP, VRRP, GLBP, ACL, PPP, FTP, SMTP, NMS, ARP, DNS, TFTP

Security:: IPSec, DMVPN, dot1x, IKE, SSL, ACS 5.2(Linux Based), Tacacs+, Radius Server.

Language & Software: C, JAVA, Wireshark,MS Office, iWork,Adobe,Mac/Windows/Linux/Junos/Cisco IOS/Nexus OSPlatform

LAN Technologies: Fast Ethernet, Gigabit Ethernet, Wireless(802.11 a/b/g/n)

WAN Technologies: OC-192, OC-48, Frame Relay, PPP, T1/E1, HDLC, MPLS, DS3, DSL Modems, Fiber Technology, Copper Cabling Technology.

Network Management: Cisco Works, HP Open View, Solar winds

PROFESSIONAL EXPERIENCE

Confidential, Eatontown, NJ

Network Engineer

Responsibilities:

• Configure Router RIP, OSPF, BGP routing.
• Upgrading and Backing up Router IOS.
• Register, Add or Delete the IP addresses to the IP Plan.
• Dealt with configuration, migration.
• Preparing Cut Sheets for Wireless Team using the IP Angry Scanner and AP’s.
• Worked extensively on MPLS, HSRP and VRRP environment.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Troubleshooting connectivity issues and application problems.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• System testing with PPP, STP, ACLs enabled.
• Involved in Installing and Configuring a Cisco secure ACS server for AAA authentication (RADIUS and TACACS+).
• Worked extensively on network testing and troubleshooting.
• Adding the extra blades to Distribution Switches.
• Designing network plan of routing policies with route maps, distribution lists, access-list.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open View) and experience with developing complex network design documentation and presentation using VISIO.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Used Adaptive Security Device Manager while performing security audit on routers.
• Implemented the Cisco Secure Access Control Servers (ACS) to offer centralized command and control for all user authentication, authorization and accounting (AAA).
• Deployed 7613 as PE and CE router and configured and troubleshoot the Edge Router.
• Performed Switching Technology Administration including creating and managing VLANs, Port security, Trunking, RSTP, Inter VLAN routing, LAN security etc.

Environment: Cisco Routers, Cisco Switches, Routing Protocols, LAN, WAN, TCP/IP, GRE Tunneling, Firewall, VPN, MPLS, Wireshark, VLAN, VTP, RSTP, ACL, Monitoring Tools (Solar winds, CiscoWorks, HP Open view).

Confidential, New York City, NY

Network Engineer

Responsibilities:

• Configuring and troubleshooting inter VLAN routing with 802.1q trunking and L3 switches, VTP, Spanning tree.
• Configuring, Implementing and troubleshooting on Cisco Nexus 7000 Series devices.
• Configuring, maintaining and troubleshooting Cisco layer 3/ layer 2 switches.
• Configuring IP RIPv2, OSPF and BGP in routers. Routing related tasks includes, providing Cisco router configuration and troubleshooting the configuration and installation issues.
• Designing rules (ACL, security policies) to ensure better security.
• Hands on experience in configuring QoS on Cisco Routers/Switches.
• Monitoring and maintaining LAN/WAN networks using sniffer trace.
• Configuring VLAN and enabling IP routing in order to allow restricted connections form some resources.
• Installing and configuring Checkpoint and ASA firewalls, VPN networks and redesigning customer security architectures.
• Design and Implement Remote Access VPN server using Cisco ASA.
• Creating a rule on the checkpoint firewall for a NAT (used ACLs to block unauthorized users) to the VLAN IP and allowing the IPSec traffic.
• Recommend designs to ensure consistency within networks.
• Day-to-day activities involved maintenance, upgrading, and troubleshooting of Ethernet, Fast Ethernet, and Gigabit Ethernet LANs.
• Created extensive architecture and design documents such as site network diagrams, logical LAN/WAN diagram, network device list, server information sheets that will be used in the handoff from engineering to operations.

Environment: Cisco Routers, Cisco Switches, Routing protocols, HSRP, VRRP, IPSEC VPN, VPN, QOS,ASA firewall, Load balancer, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, Monitoring tools(Cisco works, HP Openview), RADIUS, TACACS+

Confidential

Network Engineer

Responsibilities:

• Configured RIP, PPP, BGP, and OSPF routing.
• Involved in the configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, and BGPv4. Configured IP access filter policies.
• Identify, design and implement flexible, responsive, and secure technology services.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Managed fast layer 3 switched/routed LAN/ WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Worked with telecom vendors in regards to network fault isolation.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Installed different software on the systems. Install and managing network devices including Hubs, Switches.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANs, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
• Configuration and troubleshooting of Cisco catalyst 65409, 7613 with supervisor cards.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open View) and experience with developing complex network design documentation and presentations using VISIO.
• Design, implementation and operational support of routing/switching protocols in complex encironments including BGP, OSPF, EIGRP Spanning Tree, 802.1q, etc.
• Estimated Project costs and created documentation for project funding approvals.
• Planned resources and presented project status to higher management.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• Created and delivered internal trainings for BGP.
• Configured egress and ingress queues for ISP facing routers using CBWFQ.
• Generating RCA (Root Cause Analysis) for critical issues of Layer 1/2/3 problems.
• Ability to analyze, configure and troubleshoot networks.

Environment: Cisco 6509/3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, Checkpoint firewalls (SPLAT), Net Flow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Fluke and Sniffer

Confidential

Network Engineer

Responsibilities:

• Designed network connectivity and network security, between various offices and data center.
• Responsible for the installation, configuration, maintenance and troubleshooting of the company nmetwork. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Responsible for all aspects of TCP/IP functionality across multiple enterprise environments.
• Worked with Network Administrator in the installation and configuration of Juniper Netscreen firewall.
• Configured GRE tunneling between the few branches for connectivity.
• Designing and implementing QoS policy for different clients and different applications, VoIP and assigning different bandwidth’s according to need.
• Configured various wireless access points (WAP) for the organization network.
• Performed Switching Technology Administration including creating and managing VLANs, Port security, Trunking, RSTP, Inter VLAN routing, LAN security etc.
• Implemented traffic filters using Standard and Extended access-lists.
• Designed and implemented and IP addressing scheme with subnets for different departments.
• Implemented and monitored the network using network sniffing and scanning tool as Wireshark.
• Spearheaded meetings & discussions with service provider regarding network optimization and regarding BGP issues.
• Monitoring links using HP Open View NNM client, solar winds.
• Performed troubleshooting issues and outages on trunks and router interfaces extensively.
• Provided support for troubleshooting and resolving customer reported issues.
• Other responsibilities included documentation and support other teams.

Environment: Cisco Routers, Cisco Switches, Routing Protocols (EIGRP, OSPF, BGP), LAN, WAN, TCP/IP, GRE Tunneling, Netscreen Firewall, VPN, MPLS, IP Phones, Wireshark, VLAN, VTP, RSTP, WAP, ACL, Monitoring Tools (Solar winds, HP Open view).

Confidential

Network Engineer

Responsibilities:

• Accurately located problem in the upgrading procedures, and provided effective guidance to the operation engineer.
• Provided technical backup plans for upgrading network. Such as Backup Operation methods, Fall back Scheme, etc.
• Independently troubleshoot the networking protocol cases including Redistribution, OSPF neighbor down, HSRP, etc.
• Experiences with the design, analysis and implementation of the Double Active Data Center including topology, protocols of the network.
• Configured static routing protocol, RIP, and EIGRP routing.
• Responsible and provided network maintains such as cable detection, power detection, distribution box, troubleshooting connection failover, etc.
• Successfully and independently solved 30+ network cases including Redistribution, Static Routing, ACL, etc.
• Troubleshoot multiple connectivity failures including Access VLAN, OSPF Authentication, NAT ACL, EIGRP AS number, etc.
• Experience IPv6 troubleshooting such as IPv6 OSPF, IPv6 Addressing trouble, IPv6 to IPv4 tunnels.

Environment: Cisco routers, Cisco switches, OSPF, EIGRP, Routing protocols, HSRP, IPv6, IPv4